In the lock-and-key model of enzyme action, the su...

WJEC GCSE The Sciences (Double Award) Practice Questions - Made-for-Wales GCSE The Sciences (Double Award) - WJEC Qualifications Wales (teaching From 2026) Exam

Question Number 5

In the lock-and-key model of enzyme action, the substrate binds to the:

Active site of the enzyme Cell wall only Chloroplast envelope only Nuclear membrane only

✔ Correct Answer:

Active site of the enzyme

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